package com.atguigu.realtime.app;

import com.atguigu.realtime.util.FlinkSourceUtil;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.runtime.state.hashmap.HashMapStateBackend;
import org.apache.flink.streaming.api.CheckpointingMode;
import org.apache.flink.streaming.api.datastream.DataStreamSource;
import org.apache.flink.streaming.api.environment.CheckpointConfig;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
import org.apache.flink.table.api.bridge.java.StreamTableEnvironment;

public abstract class BaseSqlApp {


    public void init(int port,int p ,String ck ){
        System.setProperty("HADOOP_USER_NAME","atguigu");
        Configuration configuration = new Configuration();
        //web  UI端口
        configuration.setInteger("rest.port",port);
        StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment(configuration);
        env.setParallelism(p);
        // 开启checkpoint
        env.enableCheckpointing(3000);
        env.setStateBackend(new HashMapStateBackend());
        env.getCheckpointConfig().setCheckpointStorage("hdfs://hadoop162:8020/gmall/ck/" +ck );

        env.getCheckpointConfig().setMaxConcurrentCheckpoints(2);
        env.getCheckpointConfig().setCheckpointingMode(CheckpointingMode.EXACTLY_ONCE);
        env.getCheckpointConfig().setCheckpointTimeout(30000);
        env.getCheckpointConfig().setMinPauseBetweenCheckpoints(100);
        env.getCheckpointConfig().enableExternalizedCheckpoints(CheckpointConfig.ExternalizedCheckpointCleanup.RETAIN_ON_CANCELLATION);

        StreamTableEnvironment tEnv = StreamTableEnvironment.create(env);
        
        run(tEnv);


        try {
            env.execute(ck);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    protected abstract void run(StreamTableEnvironment tEnv);

}
